/Engine/Plugins/Media/ElectraCodecs/Source/ElectraDecoders/Public/Utils/MPEG/ElectraUtilsMPEGVideo.h
enum EPayloadType { PT_user_data_registered_itu_t_t35 = 4, PT_mastering_display_colour_volume = 137, PT_content_light_level_info = 144, PT_alternative_transfer_characteristics = 147, PT_ambient_viewing_environment = 148, PT_content_colour_volume = 149, }